From f17702f608c5b68aec6677b432e138b0a3dd1f29 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Fri, 20 Apr 2018 13:52:56 -0400
Subject: [PATCH] emit_x64_vector: Emit PMINUD in EmitVectorMinU32 on
 SSE4.1-capable CPUs

---
 src/backend_x64/emit_x64_vector.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/backend_x64/emit_x64_vector.cpp b/src/backend_x64/emit_x64_vector.cpp
index 21661060..8f360bfa 100644
--- a/src/backend_x64/emit_x64_vector.cpp
+++ b/src/backend_x64/emit_x64_vector.cpp
@@ -938,6 +938,11 @@ void EmitX64::EmitVectorMinU16(EmitContext& ctx, IR::Inst* inst) {
 }
 
 void EmitX64::EmitVectorMinU32(EmitContext& ctx, IR::Inst* inst) {
+    if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
+        EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pminud);
+        return;
+    }
+
     EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u32, 4>& result, const std::array<u32, 4>& a, const std::array<u32, 4>& b){
         std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
     });